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13048013 = 113732059
BaseRepresentation
bin110001110001…
…100011001101
3220112220111202
4301301203031
511320014023
61143355245
7215622566
oct61614315
926486452
1013048013
117402190
124452b25
13291b024
141a3916d
15122b128
hexc718cd

13048013 has 8 divisors (see below), whose sum is σ = 14619360. Its totient is φ = 11540880.

The previous prime is 13048001. The next prime is 13048033. The reversal of 13048013 is 31084031.

It is a happy number.

13048013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13048013 - 26 = 13047949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13048033) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15623 + ... + 16436.

It is an arithmetic number, because the mean of its divisors is an integer number (1827420).

Almost surely, 213048013 is an apocalyptic number.

It is an amenable number.

13048013 is a deficient number, since it is larger than the sum of its proper divisors (1571347).

13048013 is a wasteful number, since it uses less digits than its factorization.

13048013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32107.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 13048013 is about 3612.2033442208. The cubic root of 13048013 is about 235.4225865463.

The spelling of 13048013 in words is "thirteen million, forty-eight thousand, thirteen".

Divisors: 1 11 37 407 32059 352649 1186183 13048013